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1301
[Page extract]
Destructive and non-destructive methods
Testing may be performed destructively or non-destructively depending on the objectives.
1302
Case study
Automotive window winder turning effort
Requirement
The customer requested a portable system which would quickly and easily allow him to test the torque required to open and close windows in a car.
1303
[Page extract]
Introduction to single lap shear testing
Single lap shear testing is a widely used method for determining the shear strength of an adhesive bond between two overlapping materials.
1304
Case study
Press stud popper pull-off test
Requirement
The customer was a supplier to major clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure.
1305
[Page extract]
Best practices in conducting cone penetration tests
Step-by-step procedure
Sample preparation - Condition the sample according to the standard, controlling temperature and humidity where required.
Equipment calibration - Confirm the
1306
[Page extract]
Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.
1307
Event
Essentials of Adhesion (Peel) Testing
There is a reason people reach for Duct Tape as a fix for almost everything – Adhesion Strength. From busted pipes to ripped furniture, the preference for a solution that “does not easily peel off” is the guiding principle for manufactures.
1308
[Page extract]
Torque systems
Do you need a level of accuracy and repeatability which just cannot be achieved by manual testers? Do you want to reduce testing time and increase throughput for operators when performing batch tests?
1309
[Page extract]
What is the box crush test?
The box crush test (BCT) is a widely used method for measuring the compressive strength of fibreboard packaging, particu
1310
[Page extract]
BS EN ISO 205
Adhesives. Wood adhesives for non-structural applications. Determination of tensile shear strength of lap joints.
1311
Event
Fundamentals of Adhesion (Peel) Testing
There is a reason people reach for Duct Tape as a fix for almost everything – Adhesion Strength. From busted pipes to ripped furniture, the preference for a solution that “does not easily peel off” is the guiding principle for manufactures.
1312
[Page extract]
Common test methods and standards
Internationally recognised standards ensure that compressibility and recovery testing is consistent and repeatable across laboratories and production sites.
1313
[Page extract]
Interpreting results and ensuring accuracy
Accurate results rely on correct setup and consistent procedures:
1314
[Page extract]
Introduction to yield point testing
Yield point testing is essential for understanding the mechanical behaviour of materials.
1315
Case study
Medical devices testing
Requirement
To provide a low cost, flexible tensile test machine which could be used in conjunction with special fixturing, to perform a range of functional and destructive tests on a range of products.
1316
Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.
1318
Case study
Pork pie penetration test
Requirement
Vale of Mowbray have been baking pork pies since 1928.
1319
Case study
Box crush test (BCT) and transit packaging compression testing
Customised engineering example
Boxes for the consumer and transit packaging industries must be as light as possible whilst still retaining a robustness to contain and protect their contents and also have the strength to stand up to shipping, ha
1320
Case study
Adjustable spectacles torque test
Customised engineering example
Adlens manufacture adaptive spectacle lenses, where the optical power is adjusted by a side dial which is then removed.
1321
Event
Webinar: Essentials of Grip & Fixture Selection in Force & Torque Testing
For a test to work, the test system needs to properly interface with its specimen.
1322
[Page extract]
ASTM E9-09
These test methods cover the apparatus, specimens, and procedure for axial-load compression testing of metallic materials at room temperature.
1323
Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.
1324
Case study
Cable duct strength testing
Customised engineering example
Our customer manufactures tubes and ducts for routing of cables and optical fibres. Installation of these uses blowing, pushing and pulling techniques.
1325
[Page extract]
Comparison with other bending methods
While the five-point bend test is designed to evaluate planar shear, other bending methods address different mechanical behaviours: